54399529 has 2 divisors, whose sum is σ = 54399530. Its totient is φ = 54399528.

The previous prime is 54399523. The next prime is 54399533. The reversal of 54399529 is 92599345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28643904 + 25755625 = 5352^2 + 5075^2 .

It is a cyclic number.

It is not a de Polignac number, because 54399529 - 2¹¹ = 54397481 is a prime.

It is not a weakly prime, because it can be changed into another prime (54399523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27199764 + 27199765.

It is an arithmetic number, because the mean of its divisors is an integer number (27199765).

Almost surely, 2^54399529 is an apocalyptic number.

It is an amenable number.

54399529 is a deficient number, since it is larger than the sum of its proper divisors (1).

54399529 is an equidigital number, since it uses as much as digits as its factorization.

54399529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 437400, while the sum is 46.

The square root of 54399529 is about 7375.6036363134. The cubic root of 54399529 is about 378.9062013336.

The spelling of 54399529 in words is "fifty-four million, three hundred ninety-nine thousand, five hundred twenty-nine".